Smith : Orchidaccae novae Malayenses X. , 77 



lono-a. 0.175 cm. lata. Labellum oblique ereclum, medio fere abrupte 

 recurvuin, 3lobum, costis 3 validis simplicibus iii lobum iiitermedium 

 pulviiiato-coiivexo-iiicrassatum papillosum excurrentibus basi callo transverso 

 couiiatis, flavescenti-album, basi dilute ochraceum, iiiexplaiiatum' c. 0.3 cm. 

 longum, explanatum ambitu cuiieato-sexaiigulatum, c. 0.4 cm. usque 

 apicem loborum lateralium 0.28 cm. longum, ad lobos latérales 0.35 cm. 

 latum; lobi latérales parvi, erecti, margine antico recurvo valde convexi, 

 subfalcato-trianguli, obtusi, 0.04 cm. longi; lobus intermedius magnus, recur- 

 vus, ambitu transverse subsexangulatus, apice breviter rotundato-bilobulus 

 cum lobulo minimo in sinu, c. 0.16 cm. longus, 0.26 cm. latus. Gynostemium 

 cum ovario angulum obtusum faciens, dorso convexum, c. 0.175 cm. longum, 

 subtus in utraque stigmatis parte macula pallide purpurea ornatum, clinandrio 

 transverso, excavato, pariete postico late retuso cum lobulo brevi erosulo- 

 denticulato utrinque, auriculis rotundatis, erosulo-denticulatis, concavis. 

 Anthera cucullata, transversa, apice semiobiculari-producta incurvaque, fla- 

 vescens, connectivo suborbiculari convexo-incrassato atropurpureo, c. 0.1 cm. 

 lata Pollinia 8, paulo inaequalia, pyriformia, semipellucide flavescentia. Stigma 

 transverse ovale, margine inferiore elevatulo. Pes gynostemii cum ovario 

 angulum acutum faciens, incurvulus, oblongus, marginibus parallelis, dorso 

 convexus, apice truncatus, fere 2 cm. longus. Ovarium 6sulcatum, cum 

 pedicello c. 0.9 — 1 cm. longum, dilute viride, indumento rachidis. 



Sumatra: Lampong, Menggala. (H. A. GUSDORF, cuit, in Hort. Bog. 

 sub n. 152). 



A small species of the Hymcncria section, resembling E. ancorifera 

 J. J. S., but with 1—2 leaved pseudobuibs, blunt distinctly petioled leaves, 

 more flowered inflorescences, very blunt bracts and différent flowers. 



Description from a cultivated spécimen. 



Dendrobium (sect. Grastidium) sacculiferum J.J.S. n. sp. 



Rhizoma brève, repens, ramosum, radicibus crassis. Gaules approximati, 

 simplices, tenues, inferne subteretes, ceterum plus minusve compressi, duri, 

 nitide virides, mox nudi, c. 75 cm. longi, 0.16 cm. lati, internodiis ad c. 

 1.8 cm. longis, superioribus brevioribus. Folia patentia, leviter torta, line- 

 aria, apicem versus angustata, valde oblique bidentata, basi semiamplexi- 

 caulia, costa média supra leviter sulcata subtus basin versus prôminula, 

 papyracea, nitidula, viridia, ad c. 10 cm. longa, O.Q cm. lata; vaginae 

 tubulosae, a latere compressae, apice truncatae, internodia superantes. In- 

 florescentiae vaginas 2 perforantes, patentes, brevissimae, 2florae, pedunculo 

 abbreviato, compresso, pallide viridi, nonnullis vaginulis a latere compressis 

 obtecto. Bracteae parvae, adpressae, semiorbiculares, hyalinae, c. 0.6 cm. 

 longae. Flores parvuli, ephemeri, odorem Vanillae exhalantes, c. 1.4 cm. 

 lati, sepalis petalisque patentissimis apice recurvis convexis albis apice vix 

 fiavescentibus. Sepalum dorsale subovato-obloiigum, basi paululum 



